materializePhase1 function

MaterializeResult materializePhase1({ required ChangePlan plan, required String stagingRoot, required String canonicalDestination, ApplyFileSystem fileSystem = const ApplyFileSystem(), })

Implementation

MaterializeResult materializePhase1({
  required ChangePlan plan,
  required String stagingRoot,
  required String canonicalDestination,
  ApplyFileSystem fileSystem = const ApplyFileSystem(),
}) {
  final operations =
      plan.operations
          .where((operation) => operation.ownershipClass.isMaterialized)
          .toList()
        ..sort((a, b) => a.logicalPath.compareTo(b.logicalPath));
  final applied = <AppliedFile>[];
  for (final operation in operations) {
    final source = applyPath(stagingRoot, operation.logicalPath);
    final target = applyPath(canonicalDestination, operation.logicalPath);
    final bytes = fileSystem.readBytes(source);
    _verify(bytes, operation.contentHash, operation.logicalPath, 'staged');
    fileSystem.createDirectory(File(target).parent.path);
    if (fileSystem.fileExists(target)) {
      _replaceAtomically(fileSystem, target, bytes, operation);
    } else {
      fileSystem.writeNew(target, bytes);
    }
    final finalBytes = fileSystem.readBytes(target);
    _verify(finalBytes, operation.contentHash, operation.logicalPath, 'target');
    applied.add(AppliedFile(operation.logicalPath, computeRawHash(finalBytes)));
  }
  return MaterializeResult(List.unmodifiable(applied));
}